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What can be the reasons of connection refused errors?
...tstat -nupl|grep 3306.
3.Check your firewalls.
For example add 3306
vim /etc/sysconfig/iptables
# add
-A INPUT -p tcp -m state --state NEW -m tcp --dport 3306 -j ACCEPT
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SVN command to delete all locally missing files
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Just a hint for users of scripts etc., this command fails if no files to delete are found: svn: E205001: Try 'svn help delete' for more information svn: E205001: Not enough arguments provided
– Thorsten Schöning
Jul 9 ...
How do you debug PHP scripts? [closed]
... Platform. That gives proper debugging, breakpoints/stepping over the code etc., although at a price.
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answered Aug 3 '08 at 23:20
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Python SQL query string formatting
...e keywords that begin a clause should be right-aligned and the field names etc, should be left aligned. This looks very neat and is easier to debug as well.
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How to split one string into multiple variables in bash shell? [duplicate]
...- for some people this solution may be more readable (and hence extensible etc) than some others, and doesn't completely rely on arcane bash feature that wouldn't translate to other shells. I suspect that's why my solution, though less elegant, continues to get votes periodically...
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How to run a method every X seconds
...n is not currently running. For normal timing operations (ticks, timeouts, etc) it is easier and much more efficient to use Handler."
– FoamyGuy
Jul 11 '12 at 13:54
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Using cURL with a username and password?
...e) is more secure. It keeps the password out of history, ps, your script, etc. That is the only form I use in all my scripts and for all authenticated usages of curl.
– Pierre D
Jul 12 '16 at 19:12
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Regex lookahead, lookbehind and atomic groups
...port look-behind assertions. And most flavors that support it (PHP, Python etc) require that look-behind portion to have a fixed length.
Atomic groups basically discards/forgets the subsequent tokens in the group once a token matches. Check this page for examples of atomic groups
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JQuery Event for user pressing enter in a textbox?
... $(this).attr("disabled", "disabled");
//Do Stuff, submit, etc..
//Enable the textbox again if needed.
$(this).removeAttr("disabled");
}
});
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Finding ALL duplicate rows, including “elements with smaller subscripts”
... duplicated. Once that is done you can use Duplicated column for filtering etc.
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